Columbita or tantalum ore.
Rare earth; tantalum ta, niobium nb, rhodium rh, iridium ir, palladium pd, cadmium cd, ruthenium ru, etc...
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Tantalum ore.
Niobium ore and tantalum ore.
Columbita, tantalum, tin ore.
Tin , Niobium And Tantalum Ores .
Coltan And Tantalum Ore.
Coltan with tantalum .
Coltan, tantalum.
Columbita or tantalum ore/concentrate, osmium concentrate, iridium ore/concentrate.
Tantalum or coltan.
Manganese, niobium tantalum, and tin.
Tantalum, TA205, niobium, NB205.
Tantalum, Niobium.Shipping and Invoicing
Iron ore 64.5%, manganese ore 45.0%, tantalum.
Ore like tantalum ore, columbite and tin ore.